tkalkirill commented on code in PR #1407:
URL: https://github.com/apache/ignite-3/pull/1407#discussion_r1044179956
##########
modules/storage-api/src/testFixtures/java/org/apache/ignite/internal/storage/index/AbstractSortedIndexStorageTest.java:
##########
@@ -579,6 +585,401 @@ void testNullValues(ColumnDefinition columnDefinition)
throws Exception {
}
}
+ /**
+ * Checks simple scenarios for a scanning cursor.
+ */
+ @Test
+ void testScanSimple() {
+ SortedIndexDefinition indexDefinition =
SchemaBuilders.sortedIndex("TEST_IDX")
+
.addIndexColumn(ColumnType.INT32.typeSpec().name()).asc().done()
+ .build();
+
+ SortedIndexStorage indexStorage = createIndexStorage(indexDefinition);
+
+ BinaryTupleRowSerializer serializer = new
BinaryTupleRowSerializer(indexStorage.indexDescriptor());
+
+ for (int i = 0; i < 5; i++) {
+ put(indexStorage, serializer.serializeRow(new Object[]{i}, new
RowId(TEST_PARTITION)));
+ }
+
+ // Checking without borders.
+ assertThat(
+ scan(indexStorage, null, null, 0).stream().map(objects ->
objects[0]).collect(toList()),
+ contains(0, 1, 2, 3, 4)
+ );
+
+ // Let's check without borders.
+ assertThat(
+ indexStorage.scan(
+ serializer.serializeRowPrefix(0),
+ serializer.serializeRowPrefix(4),
+ (GREATER_OR_EQUAL | LESS_OR_EQUAL)
+ ).stream()
+ .map(indexRow ->
serializer.deserializeColumns(indexRow)[0])
+ .collect(toList()),
+ contains(0, 1, 2, 3, 4)
+ );
+
+ assertThat(
+ indexStorage.scan(
+ serializer.serializeRowPrefix(0),
+ serializer.serializeRowPrefix(4),
+ (GREATER_OR_EQUAL | LESS)
+ ).stream()
+ .map(indexRow ->
serializer.deserializeColumns(indexRow)[0])
+ .collect(toList()),
+ contains(0, 1, 2, 3)
Review Comment:
In `org.hamcrest.Matchers#contains(E...)`, it is checked for equality by the
number of elements, I looked at the documentation and tried it with my hands.
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